Architecture of Antrim See Also 2005Co. AntrimHeneghan Peng ArchitectsUnbuilt Antrim Random Building 1887 – Ballymena Castle, Co. Antrim 2005 – Proposal for Giants Causeway Visitor Centre Home / Buildings / Buildings of Ireland / Architecture of Ulster / Architecture of Antrim / 2005 – Proposal for Giants Causeway Visitor Centre Architect: Heneghan Peng Architects TweetEmail Latest Additions 1862 – House of Retreat, Inchicore, Dublin 1874 – Blessingbourne House, Fivemiletown, Co. Tyrone 1789 – Unbuilt Design for a Villa, Cork 1790s – Design for Coole House, Gort, Co. Galway 1790 – Design for Casino at Lough Cutra, Gort, Co. Galway